"""""""""""""""""""""""""""""""""""""""""""""""""
" Vim-Plug插件安装
"""""""""""""""""""""""""""""""""""""""""""""""""

call plug#begin('~/.vim/plugged')

" 代码补全插件
Plug 'neoclide/coc.nvim', {'branch': 'release'}

let g:coc_global_extensions = ['coc-python','coc-html','coc-java','coc-json','coc-react-refactor','coc-snippets','coc-tsserver','coc-vimlsp','coc-git','coc-go']

" utf-8 byte sequence
set encoding=utf-8
" Having longer updatetime (default is 4000 ms = 4s) leads to noticeable
" delays and poor user experience
set updatetime=100
" Use tab for trigger completion with characters ahead and navigate
" NOTE: There's always complete item selected by default, you may want to enable
" no select by `"suggest.noselect": true` in your configuration file
" NOTE: Use command ':verbose imap <tab>' to make sure tab is not mapped by
" other plugin before putting this into your config
inoremap <silent><expr> <TAB>
      \ coc#pum#visible() ? coc#pum#next(1) :
      \ CheckBackspace() ? "\<Tab>" :
      \ coc#refresh()
inoremap <expr><S-TAB> coc#pum#visible() ? coc#pum#prev(1) : "\<C-h>"

" Make <CR> to accept selected completion item or notify coc.nvim to format
" <C-g>u breaks current undo, please make your own choice
inoremap <silent><expr> <CR> coc#pum#visible() ? coc#pum#confirm()
                              \: "\<C-g>u\<CR>\<c-r>=coc#on_enter()\<CR>"

function! CheckBackspace() abort
  let col = col('.') - 1
  return !col || getline('.')[col - 1]  =~# '\s'
endfunction

" Use <c-space> to trigger completion
if has('nvim')
  inoremap <silent><expr> <c-space> coc#refresh()
else
  inoremap <silent><expr> <c-@> coc#refresh()
endif

" Use `[g` and `]g` to navigate diagnostics
" Use `:CocDiagnostics` to get all diagnostics of current buffer in location list
nmap <silent> [g <Plug>(coc-diagnostic-prev)
nmap <silent> ]g <Plug>(coc-diagnostic-next)

" GoTo code navigation
nmap <silent> gd <Plug>(coc-definition)
nmap <silent> gy <Plug>(coc-type-definition)
nmap <silent> gi <Plug>(coc-implementation)
nmap <silent> gr <Plug>(coc-references)

" Use K to show documentation in preview window
nnoremap <silent> K :call ShowDocumentation()<CR>

function! ShowDocumentation()
  if CocAction('hasProvider', 'hover')
    call CocActionAsync('doHover')
  else
    call feedkeys('K', 'in')
  endif
endfunction

" Highlight the symbol and its references when holding the cursor
autocmd CursorHold * silent call CocActionAsync('highlight')

" Symbol renaming
nmap <leader>rn <Plug>(coc-rename)

" Formatting selected code
xmap <leader>f  <Plug>(coc-format-selected)
nmap <leader>f  <Plug>(coc-format-selected)

Plug 'vim-airline/vim-airline'
"vim-airline配置:优化vim界面"
"let g:airline#extensions#tabline#enabled = 1
" airline设置
" 显示颜色
set t_Co=256
set laststatus=2
" 使用powerline打过补丁的字体
let g:airline_powerline_fonts = 1
" 开启tabline
let g:airline#extensions#tabline#enabled = 1
" tabline中当前buffer两端的分隔字符
let g:airline#extensions#tabline#left_sep = ' '
" tabline中未激活buffer两端的分隔字符
let g:airline#extensions#tabline#left_alt_sep = ' '
" tabline中buffer显示编号
let g:airline#extensions#tabline#buffer_nr_show = 1
" 映射切换buffer的键位
nnoremap [b :bp<CR>
nnoremap ]b :bn<CR>
" 映射<leader>num到num buffer
map <leader>1 :b 1<CR>
map <leader>2 :b 2<CR>
map <leader>3 :b 3<CR>
map <leader>4 :b 4<CR>
map <leader>5 :b 5<CR>
map <leader>6 :b 6<CR>
map <leader>7 :b 7<CR>
map <leader>8 :b 8<CR>
map <leader>9 :b 9<CR>



" vim-scripts 中的插件 "
Plug 'vim-scripts/taglist.vim'
"ctags 配置:F3快捷键显示程序中的各种tags，包括变量和函数等。
map <F3> :TlistToggle<CR>
let Tlist_Use_Right_Window=1
let Tlist_Show_One_File=1
let Tlist_Exit_OnlyWindow=1
let Tlist_WinWidt=25

Plug 'preservim/nerdtree'
"NERDTree 配置:F2快捷键显示当前目录树
map <F2> :NERDTreeToggle<CR>
let NERDTreeWinSize=25

" 状态栏插件
" Plug 'itchyny/lightline.vim'
" git状态显示插件
Plug 'airblade/vim-gitgutter'
Plug 'Yggdroot/indentLine'
Plug 'Raimondi/delimitMate'

" 非 github 仓库的插件"
" Plug 'git://git.wincent.com/command-t.git'
" 本地仓库的插件 "

call plug#end()

"""""""""""""""""""""""""""""""""""""""""""""""""
" Vim基本配置
"""""""""""""""""""""""""""""""""""""""""""""""""

set nocompatible
filetype on

" 设置当文件被改动时自动载入
set autoread
" quickfix模式
autocmd FileType c,cpp map <buffer> <leader><space> :w<cr>:make<cr>
"代码补全
set completeopt=preview,menu
"允许插件
filetype plugin on
"共享剪贴板
set clipboard=unnamed
"从不备份
set nobackup
"make 运行
:set makeprg=g++\ -Wall\ \ %
"自动保存
set autowrite
set ruler                   " 打开状态栏标尺
set cursorline              " 突出显示当前行
set magic                   " 设置魔术
set guioptions-=T           " 隐藏工具栏
set guioptions-=m           " 隐藏菜单栏
"set statusline=\ %<%F[%1*%M%*%n%R%H]%=\ %y\ %0(%{&fileformat}\ %{&encoding}\ %c:%l/%L%)\
" 设置在状态行显示的信息
set foldcolumn=0
set foldmethod=indent
set foldlevel=3
set foldenable              " 开始折叠
" 不要使用vi的键盘模式，而是vim自己的
set nocompatible
" 语法高亮
set syntax=on
" 去掉输入错误的提示声音
set noeb
" 在处理未保存或只读文件的时候，弹出确认
set confirm
" 自动缩进
set autoindent
set cindent
" Tab键的宽度
set tabstop=4
" 统一缩进为4
set softtabstop=4
set shiftwidth=4
" 不要用空格代替制表符
set noexpandtab
" 在行和段开始处使用制表符
set smarttab
" 显示行号
set number
" 显示相对行号
set relativenumber
" 历史记录数
set history=1000
"禁止生成临时文件
set nobackup
set noswapfile
"搜索忽略大小写
set ignorecase
"搜索逐字符高亮
set hlsearch
set incsearch
"行内替换
set gdefault
"编码设置
set enc=utf-8
set fencs=utf-8,ucs-bom,shift-jis,gb18030,gbk,gb2312,cp936
"语言设置
set langmenu=zh_CN.UTF-8
set helplang=cn
" 我的状态行显示的内容（包括文件类型和解码）
set statusline=%F%m%r%h%w\ [FORMAT=%{&ff}]\ [TYPE=%Y]\ [POS=%l,%v][%p%%]\ %{strftime(\"%d/%m/%y\ -\ %H:%M\")}
set statusline=[%F]%y%r%m%*%=[Line:%l/%L,Column:%c][%p%%]
" 总是显示状态行
set laststatus=2
" 命令行（在状态行下）的高度，默认为1，这里是2
set cmdheight=2
" 侦测文件类型
filetype on
" 载入文件类型插件
filetype plugin on
" 为特定文件类型载入相关缩进文件
filetype indent on
" 保存全局变量
set viminfo+=!
" 带有如下符号的单词不要被换行分割
set iskeyword+=_,$,@,%,#,-
" 字符间插入的像素行数目
set linespace=0
" 增强模式中的命令行自动完成操作
set wildmenu
" 使回格键（backspace）正常处理indent, eol, start等
set backspace=2
" 允许backspace和光标键跨越行边界
set whichwrap+=<,>,h,l
" 可以在buffer的任何地方使用鼠标（类似office中在工作区双击鼠标定位）
set mouse=a
set selection=exclusive
set selectmode=mouse,key
" 通过使用: commands命令，告诉我们文件的哪一行被改变过
set report=0
" 在被分割的窗口间显示空白，便于阅读
set fillchars=vert:\ ,stl:\ ,stlnc:\
" 高亮显示匹配的括号
set showmatch
" 匹配括号高亮的时间（单位是十分之一秒）
set matchtime=1
" 光标移动到buffer的顶部和底部时保持3行距离
set scrolloff=3
" 为C程序提供自动缩进
set smartindent
" 高亮显示普通txt文件（需要txt.vim脚本）
 au BufRead,BufNewFile *  setfiletype txt
"自动补全
:inoremap ( ()<ESC>i
:inoremap ) <c-r>=ClosePair(')')<CR>
":inoremap { {<CR>}<ESC>O
":inoremap } <c-r>=ClosePair('}')<CR>
:inoremap [ []<ESC>i
:inoremap ] <c-r>=ClosePair(']')<CR>
:inoremap " ""<ESC>i
:inoremap ' ''<ESC>i
function! ClosePair(char)
	if getline('.')[col('.') - 1] == a:char
		return "\<Right>"
	else
		return a:char
	endif
endfunction
filetype plugin indent on
"打开文件类型检测, 加了这句才可以用智能补全
set completeopt=longest,menu


"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"""""新文件标题
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"新建.c,.h,.sh,.java文件，自动插入文件头
autocmd BufNewFile *.cpp,*.[ch],*.sh,*.java exec ":call SetTitle()"
""定义函数SetTitle，自动插入文件头
func SetTitle()
	"如果文件类型为.sh文件
	if &filetype == 'sh'
		call setline(1, "##########################################################################")
		call append(line("."), "# File Name: ".expand("%"))
		call append(line(".")+1, "# Author: luohe")
		call append(line(".")+2, "# mail: luohe@163.com")
		"call append(line(".")+3, "# Created Time: ".strftime("%c"))
		call append(line(".")+4, "#########################################################################")
		call append(line(".")+5, "#!/bin/zsh")
		call append(line(".")+6, "PATH=/home/edison/bin:/home/edison/.local/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin:/work/tools/gcc-3.4.5-glibc-2.3.6/bin")
		call append(line(".")+7, "export PATH")
		call append(line(".")+8, "")
	else
		call setline(1, "/*************************************************************************")
		call append(line("."), "	> File Name: ".expand("%"))
		call append(line(".")+1, "	> Author: luohe")
		"call append(line(".")+2, "	> Mail: luohe@163.com ")
		call append(line(".")+3, "	> Created Time: ".strftime("%c"))
		call append(line(".")+4, " ************************************************************************/")
		call append(line(".")+5, "")
	endif
	if &filetype == 'cpp'
		call append(line(".")+6, "#include<iostream>")
    	call append(line(".")+7, "using namespace std;")
		call append(line(".")+8, "")
	endif
	if &filetype == 'c'
		call append(line(".")+6, "#include<stdio.h>")
		call append(line(".")+7, "")
	endif
	"	if &filetype == 'java'
	"		call append(line(".")+6,"public class ".expand("%"))
	"		call append(line(".")+7,"")
	"	endif
	"新建文件后，自动定位到文件末尾
	autocmd BufNewFile * normal G
endfunc

"""""""""""""""""""""""""""""""""""""""""""""""""
"键盘命令
"""""""""""""""""""""""""""""""""""""""""""""""""

nmap <leader>w :w!<cr>
nmap <leader>f :find<cr>

" 映射全选+复制 ctrl+a
map <C-A> ggVGY
map! <C-A> <Esc>ggVGY
map <F12> gg=G
" 选中状态下 Ctrl+c 复制
vmap <C-c> "+y

"""""""""""""""""""""""""""""""""""""""""""""""""
"调试编译运行部分
"""""""""""""""""""""""""""""""""""""""""""""""""

"代码格式参数设置
"let python_highlight_all=1
"autocmd Filetype python set tabstop=4
"autocmd Filetype python set softtabstop=4
"autocmd Filetype python set shiftwidth=4
"autocmd Filetype python set textwidth=79
"autocmd Filetype python set expandtab
"autocmd Filetype python set autoindent
"autocmd Filetype python set fileformat=unix
"autocmd Filetype python set foldmethod=indent
"autocmd Filetype python set foldlevel=99

set updatetime=100

"一键运行代码
map <F5> :call CompileRunGcc()<CR>
    func! CompileRunGcc()
        exec "w"
if &filetype == 'c'
            exec "!g++ % -o %<"
            exec "!time ./%<"
elseif &filetype == 'cpp'
            exec "!g++ % -o %<"
            exec "!time ./%<"
elseif &filetype == 'java'
            exec "!javac %"
            exec "!time java %<"
elseif &filetype == 'sh'
            :!time bash %
elseif &filetype == 'python'
            exec "!time python %"
elseif &filetype == 'html'
            exec "!firefox % &"
elseif &filetype == 'go'
    "        exec "!go build %<"
            exec "!time go run %"
elseif &filetype == 'mkd'
            exec "!~/.vim/markdown.pl % > %.html &"
            exec "!firefox %.html &"
endif
    endfunc


